docstr: In our specific case of all-same-shape circles, the shapes should
  align perfectly.
docstr_tok: ["In","our","specific","case","of","all-same-shape","circles",",","the","shapes","should","align","perfectly","."]
code: def test_fit_transform_equal(self):
      """In our specific case of all-same-shape circles, the shapes should
      align perfectly."""
      gpa = prince.GPA()
      aligned_shapes = gpa.fit_transform(self.shapes)
      self.assertIsInstance(aligned_shapes, np.ndarray)
      np.testing.assert_array_almost_equal(
          aligned_shapes[:-1], aligned_shapes[1:]
      )
  
file_path: prince/tests/test_gpa.py
imports: from __future__ import annotations
  import unittest
  import numpy
  import pandas
  import prince
label_desc: Use image node_id 8 for calling the TestGPA obj's underlying member method code with example usage: obj.test_fit_transform_equal() without return types